阅读说明：本技术 智慧水处理云平台 (Wisdom water treatment cloud platform ) 是由 黄康才 杨祖恒 曾升宁 张良 朱家川 于 2020-11-17 设计创作，主要内容包括：本申请涉及水处理技术领域,具体公开了智慧水处理云平台,包括机架、固定筒、移动缸、冷藏箱和传送带,固定筒的内部放置有取样杯,取样杯在摩擦力的作用下位于固定筒内部,传送带上固定有电磁铁,取样杯的材质为铁磁性材质；固定筒的正下方设置有传送带；移动缸的内部滑动密封连接有活塞,活塞的上端固定有活塞杆,移动缸上方设置有气缸,气缸与移动缸固定；活塞杆的上端固定在气缸的伸缩轴的下端；移动缸的顶部设置有单向进气阀和单向出气阀；移动缸的下端设置有单向进液阀和单向出液阀；冷藏箱放置在机架上并且靠近传送带的端部,单向进气阀与通过管道与冷藏箱内部可拆卸连接。本专利的目的在于解决现有的水处理系统无法自动取水样的问题。(The application relates to the technical field of water treatment, and particularly discloses a smart water treatment cloud platform which comprises a rack, a fixed cylinder, a movable cylinder, a refrigerating box and a conveyor belt, wherein a sampling cup is placed in the fixed cylinder, the sampling cup is positioned in the fixed cylinder under the action of friction force, an electromagnet is fixed on the conveyor belt, and the sampling cup is made of ferromagnetic materials; a conveyor belt is arranged right below the fixed cylinder; a piston is connected inside the moving cylinder in a sliding and sealing mode, a piston rod is fixed at the upper end of the piston, and a cylinder is arranged above the moving cylinder and fixed with the moving cylinder; the upper end of the piston rod is fixed at the lower end of the telescopic shaft of the cylinder; the top of the movable cylinder is provided with a one-way air inlet valve and a one-way air outlet valve; the lower end of the movable cylinder is provided with a one-way liquid inlet valve and a one-way liquid outlet valve; the refrigerating box is arranged on the rack and close to the end part of the conveyor belt, and the one-way air inlet valve is detachably connected with the inside of the refrigerating box through a pipeline. The purpose of this patent is to solve the problem that current water processing system can't get the water sample automatically.)

1. Wisdom water treatment cloud platform, its characterized in that: the automatic sampling device comprises a rack, a fixed cylinder, a movable cylinder, a refrigerating box and a conveyor belt, wherein the fixed cylinder is fixed on the rack, the axis of the fixed cylinder is arranged along the vertical direction, sampling cups are placed in the fixed cylinder, the openings of the sampling cups are vertically arranged upwards, and the number of the sampling cups is 2-10 and the sampling cups are sequentially overlapped from top to bottom; the sampling cup is positioned in the fixed cylinder under the action of friction force, an electromagnet is fixed on the conveying belt, and the sampling cup is made of ferromagnetic materials; a conveyor belt is arranged right below the fixed cylinder and is used for horizontally conveying; the axis of the moving cylinder is arranged along the vertical direction, the moving cylinder is columnar in appearance, a piston is connected in the moving cylinder in a sliding and sealing mode, a piston rod is fixed at the upper end of the piston, an air cylinder is arranged above the moving cylinder, and the air cylinder is fixed with the moving cylinder; the upper end of the piston rod is fixed at the lower end of a telescopic shaft of the cylinder; the top of the movable cylinder is provided with a one-way air inlet valve and a one-way air outlet valve; the lower end of the movable cylinder is provided with a one-way liquid inlet valve and a one-way liquid outlet valve, the one-way liquid inlet valve is connected with water flow through a pipeline, and the one-way liquid outlet valve is fixed at the lower end of the movable cylinder; the moving cylinder is positioned above the conveyor belt; the refrigeration box is placed on the rack and close to the end part of the conveyor belt, the one-way air inlet valve is detachably connected with the interior of the refrigeration box through a pipeline, one side wall of the refrigeration box is arranged along the vertical direction and is vertical to the conveying direction of the conveyor belt, and an automatic valve is arranged on the side wall, close to the conveyor belt, of the refrigeration box.

2. The smart water treatment cloud platform of claim 1, wherein: a rubber plug is plugged at the upper part of the sampling cup; the movable cylinder can move in the vertical direction under the driving of the driving mechanism, and the one-way liquid outlet valve is connected with a needle tube through a liquid injection tube.

3. The smart water treatment cloud platform of claim 2, wherein: the driving mechanism comprises a gear fixed on the rack, the gear is driven by a motor fixed on the rack, and the motor can rotate forwards and backwards; the gear is engaged with a rack which is arranged in the vertical direction and fixed to the moving cylinder.

4. The smart water treatment cloud platform of claim 3, wherein: a first positioning detector is fixed at the lower end of the moving cylinder and is electrically connected with the motor through a controller, when the first positioning detector detects a sampling cup, the first positioning detector controls the motor to rotate forwards through the controller, the motor is electrically connected with a time relay, and the time relay enables the motor to rotate forwards and then stand still for 2-10s and then rotate backwards; the conveyor belt is electrically connected with the first positioning detector through the controller, and when the first positioning detector detects the sampling cup, the conveyor belt stops conveying; the conveyor belt is electrically connected with the time relay through the controller, and the time relay enables the conveyor belt to be static for 2-10s and then continues conveying.

5. The smart water treatment cloud platform of claim 4, wherein: the lateral wall of the refrigerator, which is close to the conveyor belt, is fixedly provided with a second positioning detector, the automatic valve is electrically connected with the second positioning detector through the controller, when the second positioning detector detects a sampling cup, the second positioning detector controls the automatic valve to be opened through the controller, and when the second positioning detector does not detect the sampling cup, the second positioning detector controls the automatic valve to be closed through the controller.

6. The smart water treatment cloud platform of claim 5, wherein: an electromagnet switch with an upward contact is arranged on the upper end face of the electromagnet, when the electromagnet switch is pressed, the electromagnet is powered off, and when the electromagnet switch is released, the electromagnet is powered on.

Technical Field

The invention relates to the technical field of water treatment, in particular to an intelligent water treatment cloud platform.

Background

The water treatment cloud platform realizes the acquisition, storage and management of information data of each stage of water treatment; developing application systems such as information data retrieval, statistical analysis, pre-alarming and the like based on a water treatment information database; a platform support system is developed, and online support is provided for the operation of water treatment equipment through experts and big data technology; and a cloud platform is utilized to build an operation environment of the water treatment intelligent operation and maintenance service system, so that the stable operation of the platform is ensured.

Chinese patent with publication number CN211577147U discloses an intelligent monitoring system for small watershed water environment, which comprises: the system comprises a data acquisition module, a wireless transmission module, a main control module, a power supply module, a monitoring platform, an early warning module and a mobile terminal.

In the scheme, various water quality parameters of the small watershed water environment are detected in real time through the data acquisition module, and transmitted to the main control module through the wireless transmission module, the main control module compares various water quality parameters with preset values in real time, and transmitting the water quality parameters and the real-time comparison result to a monitoring platform through a wireless transmission module, the monitoring platform displays the water quality parameters and the real-time comparison result through a display screen, meanwhile, the wireless transmission module transmits various water quality parameters and real-time comparison results to the mobile terminal, when the real-time comparison result of all the water quality parameters detected by the main control module exceeds a threshold value, a warning is sent out, the system has scientific and reasonable structure, convenient data transmission, effective analysis and centralized processing of water quality data, accurate analysis, can carry out the early warning when quality of water data appears unusually, can carry out remote monitoring, promote the convenience of this system.

Although the problem of the on-line monitoring of quality of water has been solved in above-mentioned scheme, still there is the automatic sampling that can't realize quality of water, leads to the inconvenient problem of looking for the reason behind the quality of water goes out the problem.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides an intelligent water treatment cloud platform and solves the problem that the existing water treatment system cannot automatically take water samples.

In order to solve the problems, the technical scheme adopted by the invention is as follows: the intelligent water treatment cloud platform comprises a rack, a fixed cylinder, a movable cylinder, a refrigerating box and a conveyor belt, wherein the fixed cylinder is fixed on the rack, the axis of the fixed cylinder is arranged in the vertical direction, sampling cups are placed in the fixed cylinder, the openings of the sampling cups are vertically arranged upwards, and the number of the sampling cups is 2-10 and the sampling cups are sequentially overlapped from top to bottom; the sampling cup is positioned in the fixed cylinder under the action of friction force, an electromagnet is fixed on the conveying belt, and the sampling cup is made of ferromagnetic materials; a conveyor belt is arranged right below the fixed cylinder and is used for horizontally conveying; the axis of the moving cylinder is arranged along the vertical direction, the moving cylinder is columnar in appearance, a piston is connected in the moving cylinder in a sliding and sealing mode, a piston rod is fixed at the upper end of the piston, an air cylinder is arranged above the moving cylinder, and the air cylinder is fixed with the moving cylinder; the upper end of the piston rod is fixed at the lower end of a telescopic shaft of the cylinder; the top of the movable cylinder is provided with a one-way air inlet valve and a one-way air outlet valve; the lower end of the movable cylinder is provided with a one-way liquid inlet valve and a one-way liquid outlet valve, the one-way liquid inlet valve is connected with water flow through a pipeline, and the one-way liquid outlet valve is fixed at the lower end of the movable cylinder; the moving cylinder is positioned above the conveyor belt; the refrigeration box is placed on the rack and close to the end part of the conveyor belt, the one-way air inlet valve is detachably connected with the interior of the refrigeration box through a pipeline, one side wall of the refrigeration box is arranged along the vertical direction and is vertical to the conveying direction of the conveyor belt, and an automatic valve is arranged on the side wall, close to the conveyor belt, of the refrigeration box.

The technical principle of the technical scheme is as follows:

1. the sampling cup taking device is characterized in that a fixed cylinder is arranged, the fixed cylinder is used for placing a sampling cup, the principle is similar to that of a cup taking device used for placing a water cup in daily life, the sampling cup is positioned in the fixed cylinder under the action of friction force, when the sampling cup at the lowest end is subjected to downward acting force, the sampling cup can be taken out from the fixed cylinder, and meanwhile, one sampling cup adjacent to the sampling cup at the lowest end moves downwards under the action of friction force until part of the sampling cup is exposed out of the fixed cylinder, so that the sampling cup can be taken next time conveniently; the number of sampling cups is determined according to the sampling times required each day.

2. The method comprises the following steps that a moving cylinder is arranged, a cylinder drives a piston to move up and down in the moving cylinder, when the piston moves down, a one-way air inlet valve is opened, a one-way air outlet valve is closed, a one-way liquid inlet valve is closed, a one-way liquid outlet valve is opened, the part, above the piston, in the moving cylinder sucks air, and the part, above the piston, in the moving cylinder discharges liquid; when the piston moves upwards, the one-way air inlet valve is closed, the one-way air outlet valve is opened, the one-way liquid inlet valve is opened, the one-way liquid outlet valve is closed, the part of the interior of the movable cylinder above the piston exhausts, and the part of the interior of the movable cylinder above the piston sucks liquid; when the piston reciprocates up and down, the part in the moving cylinder above the piston forms an air pump, and the part in the moving cylinder below the piston forms a liquid pump; the movable cylinder sucks a water sample and discharges the water sample into the sampling cup, the interior of the refrigerating box is vacuumized in the air sucking process of the movable cylinder, external air is prevented from entering the water sample, and the temperature inside the refrigerating box is prevented from being influenced by the temperature of the external air.

3. A refrigerating box is arranged, the refrigerating box is used for placing and storing the taken water sample, and the refrigerating is used for preventing the water sample from deteriorating; the automatic valve is arranged to facilitate the placement of the sampling cup.

4. A conveyor belt is arranged and used for conveying the sampling cups.

The beneficial effect that this scheme produced is: compared with the existing water treatment cloud platform, the existing water treatment cloud platform cannot automatically take water samples; the water treatment cloud platform in the scheme can automatically take water samples and store the water samples in the refrigerating box, and workers only need to carry a new refrigerating box to replace an old refrigerating box and take back the old refrigerating box together with the water samples for analysis and detection after working every day, so that labor force is saved; the water sample is reserved, and when the water quality is out of order, the reason is conveniently found.

Further, a rubber plug is plugged at the upper part of the sampling cup; the movable cylinder can move in the vertical direction under the driving of the driving mechanism, and the one-way liquid outlet valve is connected with a needle tube through a liquid injection tube.

The setting of rubber buffer avoids the inside water sample of sampling cup to be contaminated, avoid the inside water sample of sampling cup to spill over, in order to make things convenient for the inside water sample of injecting of sampling cup, set up the needle tubing, when the inside water sample of injecting of sampling cup into needs, actuating mechanism makes the removal jar move down and drives the needle tubing and impale the rubber buffer, thereby the inside water sample of removal jar can inject in the sampling cup, after finishing injecting the water sample into the sample, actuating mechanism drives the removal jar and moves upward, the needle tubing separates with the rubber buffer, thereby make things convenient for the transportation of sampling cup.

Furthermore, the driving mechanism comprises a gear fixed on the rack, the gear is driven by a motor fixed on the rack, and the motor can rotate forwards and backwards; the gear is engaged with a rack which is arranged in the vertical direction and fixed to the moving cylinder.

The motor corotation drives the gear corotation, and the gear drive rack drives and removes the jar downstream, and the needle tubing can pierce through the rubber buffer of sampling cup inside, removes the jar and can inject the water sample to sampling cup inside, and after the water sample injection finishes, motor reversal drive gear reversal, gear drive rack drive remove the jar upward movement, and the needle tubing separates with the rubber buffer, and the sampling cup can convey under the conveying of conveyer belt.

Further, a first positioning detector is fixed at the lower end of the moving cylinder and electrically connected with the motor through a controller, when the first positioning detector detects a sampling cup, the first positioning detector controls the motor to rotate forwards through the controller, the motor is electrically connected with a time relay, and the time relay makes the motor rotate forwards and then stands still for 2-10s and then rotates backwards; the conveyor belt is electrically connected with the first positioning detector through the controller, and when the first positioning detector detects the sampling cup, the conveyor belt stops conveying; the conveyor belt is electrically connected with the time relay through the controller, and the time relay enables the conveyor belt to be static for 2-10s and then continues conveying.

When the sampling cup moves to the position below the first positioning detector, the first sensor enables the conveyor belt to stop conveying and enables the motor to rotate forwards through the controller, the motor rotates forwards to drive the gear to rotate forwards, the gear drives the rack to drive the movable cylinder to move downwards, the needle tube can pierce through a rubber plug in the sampling cup, and the movable cylinder can inject a water sample into the sampling cup; after 2-10s, the time relay enables the motor to rotate reversely, the motor drives the gear to rotate reversely, the gear drives the rack to drive the moving cylinder to move upwards, the needle tube is separated from the rubber plug, meanwhile, the conveying belt starts conveying again, and the sampling cup can convey under the conveying of the conveying belt.

Furthermore, a second positioning detector is fixed on the side wall, close to the conveyor belt, of the refrigerating box, the automatic valve is electrically connected with the second positioning detector through the controller, when the second positioning detector detects a sampling cup, the second positioning detector controls the automatic valve to be opened through the controller, and when the second positioning detector does not detect the sampling cup, the second positioning detector controls the automatic valve to be closed through the controller.

When the second positioning detector detects the sampling cup, the second positioning detector controls the automatic valve to open through the controller, and the sampling cup on the conveyor belt can enter the interior of the refrigerating box through the automatic valve; when the sampling cup enters the interior of the refrigerating box and the second positioning detector does not detect the sampling cup any more, the second positioning detector controls the automatic valve to close through the controller.

Furthermore, an electromagnet switch with an upward contact is arranged on the upper end face of the electromagnet, when the electromagnet switch is pressed, the electromagnet is powered off, and when the electromagnet switch is released, the electromagnet is powered on.

When the switch of electro-magnet was not pressed, the electro-magnet circular telegram, when the electro-magnet moved to the below of fixed section of thick bamboo, the electro-magnet with the sample cup of lower extreme on drawing the electro-magnet, the electro-magnet switch was pressed, and the electro-magnet outage makes things convenient for the sample cup to get into in the refrigerator.

Drawings

Fig. 1 is an overall structural view.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a fixed cylinder 10, a sampling cup 11, a rubber plug 111, an air cylinder 20, a piston rod 21, a piston 22, a moving cylinder 23, a one-way air inlet valve 24, a one-way air outlet valve 25, a one-way liquid inlet valve 26, a one-way liquid outlet valve 27, a liquid injection pipe 28, a needle tube 281, a first positioning detector 29, a rack 30, a gear 31, a hose 40, a second positioning detector 41, a refrigerating box 50, a cooling coil 51, an automatic valve 52, a handle 53, an inclined block 54, a conveyor belt 60 and an electromagnet 61.

The embodiment is basically as shown in the attached figure 1:

wisdom water treatment cloud platform includes frame, fixed section of thick bamboo 10, removes jar 23, fridge 50 and conveyer belt 60.

As shown in fig. 1, a fixed cylinder 10 is fixed on a frame, the fixed cylinder 10 is cylindrical, the axis of the fixed cylinder 10 is arranged along the vertical direction, sampling cups 11 are placed inside the fixed cylinder 10, the openings of the sampling cups 11 are vertically arranged upwards, and the number of the sampling cups 11 is 7 and the sampling cups are overlapped up and down in sequence; the sampling cup 11 is positioned in the fixed cylinder 10 under the action of friction force, the rubber plug 111 is plugged at the upper part of the sampling cup 11, the sampling cup 11 is made of iron, the inner side of the sampling cup 11 is embedded with a stainless steel layer, and the stainless steel layer plays a role in corrosion prevention;

the fixed cylinder 10 is used for placing the sampling cup 11, the principle is similar to that of a cup taking device for placing a water cup in daily life, the sampling cup 11 is positioned in the fixed cylinder 10 under the action of friction force, when the sampling cup 11 at the lowest end is subjected to downward acting force, the sampling cup 11 can be taken out from the fixed cylinder 10, and meanwhile, one sampling cup 11 adjacent to the sampling cup 11 at the lowest end moves downwards under the action of friction force until part of the sampling cup 11 is exposed out of the fixed cylinder 10, so that the sampling cup 11 can be taken next time conveniently; the number of sampling cups 11 is determined according to the sampling times required each day.

The setting of rubber buffer 111 is avoided sampling cup 11 inside water sample contaminated, avoids sampling cup 11 inside water sample to overflow, for the convenient inside water sample that injects of sampling cup 11, sets up needle tubing 281.

As shown in fig. 1, a conveyor belt 60 is provided directly below the fixed cylinder 10, the conveyor belt 60 horizontally conveys the sheet material to the right, a rectangular plate-shaped electromagnet 61 is fixed to the conveyor belt 60, an electromagnet switch with an upward contact is provided on an upper end surface of the electromagnet 61, the electromagnet 61 is de-energized when the electromagnet switch is pressed, and the electromagnet 61 is energized when the electromagnet switch is released.

When the switch of the electromagnet 61 is not pressed, the electromagnet 61 is electrified, when the electromagnet 61 moves to the lower part of the fixed cylinder 10, the electromagnet 61 attracts the sampling cup 11 at the lower end to the electromagnet 61, the electromagnet switch is pressed by the sampling cup 11, the electromagnet 61 is powered off, and the sampling cup 11 is conveniently separated from the electromagnet 61.

As shown in fig. 1, the axis of the moving cylinder 23 is arranged along the vertical direction, the moving cylinder 23 is located at the right side of the fixed cylinder 10, the moving cylinder 23 is cylindrical, a cylindrical piston 22 is connected inside the moving cylinder 23 in a sliding and sealing manner, the upper end of the piston 22 is fixed with a piston rod 21, the piston rod 21 is arranged coaxially with the piston 22, an air cylinder 20 is arranged above the moving cylinder 23, and the air cylinder 20 is fixed with the moving cylinder 23; the upper end of the piston rod 21 is fixed at the lower end of the telescopic shaft of the cylinder 20; the top of the movable cylinder 23 is provided with a one-way air inlet valve 24 and a one-way air outlet valve 25; the lower end of the moving cylinder 23 is provided with a one-way liquid inlet valve 26 and a one-way liquid outlet valve 27, the one-way liquid inlet valve 26 is connected with water flow to be sampled through a pipeline, the one-way liquid outlet valve 27 is fixed at the lower end of the moving cylinder 23, the one-way liquid outlet valve 27 is connected with a needle tube 281 which is arranged along the vertical direction through a liquid injection tube 28, and the liquid injection tube 28 is cylindrical; a rack 30 arranged in the vertical direction is fixed on the right side wall of the moving cylinder 23, the rack 30 is meshed with a gear 31, the gear 31 is fixed on a rack, a motor is fixed on the rack, the gear 31 is fixed on an output shaft of the motor, the motor is a servo motor, and the motor can rotate forwards and backwards.

As shown in fig. 1, a first positioning detector 29 is fixed at the lower end of the moving cylinder 23, the first positioning detector 29 is electrically connected with the motor through the controller, when the sampling cup 11 is detected by the first positioning detector 29, the first positioning detector 29 controls the motor to rotate forward through the controller, the motor is electrically connected with a time relay, and the time relay makes the motor rotate forward and then rotate backward after standing for 10 s; the conveyor belt 60 is electrically connected with the first positioning detector 29 through a controller, and when the first positioning detector 29 detects the sampling cup 11, the conveyor belt 60 stops conveying; the conveyor belt 60 is electrically connected to a time relay through a controller, and the time relay makes the conveyor belt 60 stand still for 10 seconds and then continues conveying.

The cylinder 20 drives the piston 22 to move up and down in the moving cylinder 23, when the piston 22 moves down, the one-way air inlet valve 24 is opened, the one-way air outlet valve 25 is closed, the one-way liquid inlet valve 26 is closed, the one-way liquid outlet valve 27 is opened, the part of the moving cylinder 23 above the piston 22 sucks air, and the part of the moving cylinder 23 below the piston 22 discharges liquid; when the piston 22 moves upwards, the one-way air inlet valve 24 is closed, the one-way air outlet valve 25 is opened, the one-way liquid inlet valve 26 is opened, the one-way liquid outlet valve 27 is closed, the part of the interior of the moving cylinder 23, which is positioned above the piston 22, exhausts air, and the part of the interior of the moving cylinder 23, which is positioned below the piston 22, sucks liquid; when the piston 22 reciprocates up and down, the part in the moving cylinder 23 above the piston 22 forms an air pump, and the part in the moving cylinder 23 below the piston 22 forms a liquid pump; the liquid pump is used for sucking water samples and discharging the water samples; the air pump can be used for vacuumizing.

In order to make the water sample discharged from the moving cylinder 23 enter the sampling cup 11, the motor rotates forward to drive the gear 31 to rotate forward, the gear 31 drives the rack 30 to drive the moving cylinder 23 to move downward, the needle tube 281 can pierce the rubber plug 111 in the sampling cup 11, the moving cylinder 23 can inject the water sample into the sampling cup 11, after the water sample injection is finished, the motor rotates backward to drive the gear 31 to rotate backward, the gear 31 drives the rack 30 to drive the moving cylinder 23 to move upward, the needle tube 281 is separated from the rubber plug 111, and the sampling cup 11 can be conveyed under the conveying of the conveyor belt 60.

In order to realize automatic injection of a water sample into the sampling cup 11, when the sampling cup 11 moves to a position below the first positioning detector 29, the first sensor stops the transmission of the conveyor belt 60 through the controller and enables the motor to rotate forward, the motor rotates forward to drive the gear 31 to rotate forward, the gear 31 drives the rack 30 to drive the movable cylinder 23 to move downward, the needle tube 281 can pierce the rubber plug 111 in the sampling cup 11, and the movable cylinder 23 can inject the water sample into the sampling cup 11; after 10s, the time relay enables the motor to rotate reversely, the motor rotates reversely to drive the gear 31 to rotate reversely, the gear 31 drives the rack 30 to drive the moving cylinder 23 to move upwards, the needle tube 281 is separated from the rubber plug 111, meanwhile, the conveying belt 60 starts conveying again, and the sampling cup 11 can be conveyed under the conveying of the conveying belt 60.

As shown in fig. 1, the shape of the refrigeration box 50 is a rectangular parallelepiped, the refrigeration box 50 is placed on the rack and close to the right end of the conveyor belt 60, the inner bottom of the refrigeration box 50 is provided with a cooling coil 51, the cooling coil 51 is connected with a compressor, the structures of the cooling coil 51 and the compressor are both conventional, the one-way air inlet valve 24 is connected with the hose 40, the other end of the hose 40 is clamped with the refrigeration box 50 through a hard pipe and is communicated with the inside of the refrigeration box 50, the left side wall of the refrigeration box 50 is arranged along the vertical direction and is perpendicular to the conveying direction of the conveyor belt 60, and the left side wall of the refrigeration box 50 is provided with. The left side wall of the refrigerator 50 is fixed with a second positioning detector 41, the automatic valve 52 is electrically connected with the second positioning detector 41 through a controller, when the second positioning detector 41 detects the sampling cup 11, the second positioning detector 41 controls the automatic valve 52 to open through the controller, and when the second positioning detector 41 does not detect the sampling cup 11, the second positioning detector 41 controls the automatic valve 52 to close through the controller.

When the second positioning detector 41 detects the sampling cup 11, the second positioning detector 41 controls the automatic valve 52 to open through the controller, and the sampling cup 11 on the conveyor belt 60 can enter the interior of the refrigerating box 50 through the automatic valve 52; when the second positioning detector 41 no longer detects the sampling cup 11 after the sampling cup 11 enters the refrigerating box 50, the second positioning detector 41 controls the automatic valve 52 to close through the controller. The interior of the refrigerating box 50 is vacuumized in the process of air suction of the moving cylinder 23, so that the external air is prevented from entering a water sample, and the temperature inside the refrigerating box 50 is prevented from being influenced by the temperature of the external air.

To facilitate the smooth entry of the sample cups 11 into the cooler 50, as shown in FIG. 1, a ramp 54 is mounted to the housing, the ramp 54 is positioned between the upper right end of the conveyor belt 60 and the automatic valve 52, and the upper end of the ramp 54 is inclined to the left.

To facilitate the movement of the cooler 50 and the water sample, a rectangular frame-shaped handle 53 is fixed to the top of the cooler 50 as shown in fig. 1. After the refrigerator 50 is removed, the through holes of the refrigerator 50 are sealed by using the existing cotton, thereby preventing the temperature inside the refrigerator 50 from rising.

In order to realize the timed water sampling, the conveyor belt 60 is electrically connected to another time relay in this embodiment, and the other time relay enables the conveyor belt 60 to stop transmitting for 2 hours after transmitting for a week and then transmit again. Meanwhile, the other time relay is electrically connected with the air cylinder 20 and the motor, the air cylinder 20 and the motor are electrified for 5 minutes by the other time relay, and the air cylinder 20 and the motor are powered off in the rest time, so that energy is saved.

For convenience of carrying, the refrigerating box 50 in this embodiment uses a storage battery to provide power, and the storage battery is clamped on the refrigerating box 50.

The specific implementation process is as follows:

when the piston 22 is located at the lower limit position in the initial state, when automatic sampling is performed for the first time, the conveyor belt 60, the motor and the cylinder 20 are powered on, the cylinder 20 drives the piston 22 to move upwards, the one-way liquid inlet valve 26 is opened, the one-way liquid outlet valve 27 is closed, a part below the piston 22 in the moving cylinder 23 sucks a water sample, meanwhile, the electromagnet 61 is electrified, the conveyor belt 60 drives the electromagnet 61 to move to the lower part of the fixed cylinder 10, the electromagnet 61 sucks the bottommost sampling cup 11 onto the electromagnet 61, the electromagnet switch is pressed, the conveyor belt 60 conveys the sampling cup 11 to the lower part of the moving cylinder 23, when the sampling cup 11 passes through the lower part of the first positioning detector 29, the first sensor stops conveying the conveyor belt 60 through the controller and enables the motor to rotate forwards, the motor rotates forwards the driving gear 31, the gear 31 drives the rack 30 to drive the moving cylinder 23 to move downwards, the needle tube 281 can pierce the, the movable cylinder 23 can inject water samples into the sampling cup 11; then, the air cylinder 20 drives the piston 22 to move downwards, the interior of the moving cylinder 23 injects a water sample into the sampling cup 11, 10s later, the time relay enables the conveying belt 60 to continue conveying, meanwhile, the motor is enabled to rotate reversely, the motor rotates reversely to drive the gear 31 to rotate reversely, the gear 31 drives the rack 30 to drive the moving cylinder 23 to move upwards, the needle tube 281 is separated from the rubber plug 111, meanwhile, the conveying belt 60 starts conveying again, and the sampling cup 11 can be conveyed under the conveying of the conveying belt 60; when the sampling cup 11 moves to the lower part of the second positioning detector 41, the second positioning detector 41 detects the sampling cup 11, the automatic valve 52 is opened, and the sampling cup 11 on the conveyor belt 60 can enter the interior of the refrigerating box 50 through the inclined block 54 and the automatic valve 52; when the second positioning detector 41 no longer detects the sampling cup 11 after the sampling cup 11 enters the interior of the refrigerating container 50, the automatic valve 52 is closed. The piston 22 continues to slide up and down inside the moving cylinder 23, and the moving cylinder 23 evacuates the inside of the refrigerating compartment 50. The cylinder 20 and motor are energized for 5 minutes and another time relay de-energizes the cylinder 20 and motor. It is precisely the electromagnet 61 and the piston 22 that are in the initial position.

Similarly, after 2 hours, the water sample can be automatically taken again, and after 7 times of sampling is completed, the worker can take back the refrigerating box 50 together with the water sample to the site, so that the analysis and detection of the water sample can be performed.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.